0.16 mol of argon gas is admitted to an evacuated 70 cm^3 container at 30°c. the gas then undergoes an isothermal expansion to a volume of 400 cm^3 .what is the final pressure of the gas?

The final pressure of the gas is 9.94 atm.

Explanation:

Given that,

Weight of argon = 0.16 mol

Initial volume = 70 cm³

Angle = 30°C

Final volume = 400 cm³

We need to calculate the initial pressure of gas

Using equation of ideal gas

Where, P = pressure

R = gas constant

T = temperature

Put the value in the equation

We need to calculate the final temperature

Using relation pressure and volume

Hence, The final pressure of the gas is 9.94 atm.

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